Finding the Fourth Proportional to 7,845.31, 10,826.39 and 4,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,845.31 : 10,826.39 = 4,308.50 : x
2. Step 2: Convert to fraction form
   7,845.31/10,826.39 = 4,308.50/x
3. Step 3: Cross multiply
   7,845.31x = 10,826.39 × 4,308.50
4. Step 4: Simplify right side
   7,845.31x = 46,645,501.32
5. Step 5: Solve for x
   x = 46,645,501.32/7,845.31
6. Step 6: Final answer
   x = 5,945.65